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kobusy [5.1K]
3 years ago
13

How do scientists build on previous work when developing theories

Chemistry
2 answers:
lana66690 [7]3 years ago
7 0
Scientist first give hypothesis and also they keep working harder
lana66690 [7]3 years ago
3 0

Answer:

Theories are explanations of a natural or social behavior, event, or phenomenon. More formally, a scientific theory is a system of constructs concepts and propositions relationships between those constructs that collectively presents a logical, systematic, and coherent explanation of a phenomenon of interest within some assumptions and boundary conditions. Using a "Hypothises" and the sientific "Method".

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How many moles of oxygen atom are there in 0.5 moles of Ca(ClO3) 2?
FinnZ [79.3K]

Answer:

Do a quick conversion: 1 moles Ca(ClO3)2 = 206.9804 gram using the molecular weight calculator and the molar mass of Ca(ClO3)2. ... How many moles Ca(ClO3 )2 in 1 grams? ... of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all of these products together.

Explanation:

(jayaanilanmol's answer)

3 0
4 years ago
If the Moon is in the position shown, what is the view from Earth?
Len [333]

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When the Moon is in the position shown below, how would the Moon look to an observer on the North Pole ... The moon's rotational period is equal to its revolutional period around Earth.

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7 0
3 years ago
When solutions of barium chloride and lithium sulfate are mixed, the spectator ions in the resulting reaction are?
Pepsi [2]
Barium chloride and lithium sulfate are mixed, barium sulfate and lithium chloride are formed. Barium sulfate is obtained as a white precipitate and lithium chloride as an aqueous solution.

Hope it helped!
8 0
3 years ago
Read 2 more answers
how many moles of oxygen are needed to burn 1.33 moles of methyl alcohol (ch3oh)?2ch3oh 3o2 2co2 4h2o
dlinn [17]
<span>2 CH3OH + 3 O2 = 2 CO2 + 4 H2O

2 moles CH3OH ---------------- 3 moles O2
1.33 moles CH3OH ----------- ( moles O2)

moles O2 = 1.33 x 3 / 2

moles O2 = 3.99 / 2

= 1.995 moles of O2</span>
3 0
3 years ago
Read 2 more answers
Describe what a mole is -- its value, its uses, the general concept.
Anna [14]
A mole is the assemblage of 6.022×10^23 ions.This number is also known as Avogadro Number.

Avogadro constant=6.022×10^23 mol^-1
5 0
3 years ago
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